function addEventHandler(){
	if (window.addEventListener)
		window.addEventListener("scroll", move, false);
	else if (window.attachEvent)
		window.attachEvent("on" + "scroll", move);
	else window["on" + "scroll"] = func;
}

function move(){
	var advIniTop = 160;
	var layerLeft = document.getElementById("leftFloat_Achen");
	if (layerLeft) layerLeft.style.top =  document.body.scrollTop || document.documentElement.scrollTop + advIniTop + "px";
	var layerRight = document.getElementById("rightFloat_Achen");
	if (layerRight) layerRight.style.top =  document.body.scrollTop || document.documentElement.scrollTop + advIniTop + "px";
}
addEventHandler();